       body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    position: relative;
    overflow: visible;
}

body::before {
    content: "WiPAS 文件管理系统";
    position: absolute;
    font-size: 70px;
    font-weight: bold;
    color: rgba(0, 0, 0, 0.05);
    transform: rotate(-30deg);
    white-space: nowrap;
    z-index: 0;
    pointer-events: none;
    top: 50%;
    left: 57%;
}

.login-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 300px;
    position: relative;
    z-index: 1;
}

.login-box {
    text-align: center;
}

.login-box h2 {
    margin: 0 0 20px;
    font-size: 24px;
    color: #333;
    position: relative;
    z-index: 2;
}

.input-group {
    margin: 20px 0;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #007BFF;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

p {
    margin-top: 20px;
    color: #666;
}

p a {
    color: #007BFF;
    text-decoration: none;
}

p a:hover {
    text-decoration: underline;
}